Electrical computers and digital processing systems: support – Computer power control
Reexamination Certificate
2011-08-16
2011-08-16
Elamin, Abdelmoniem (Department: 2116)
Electrical computers and digital processing systems: support
Computer power control
C700S079000, C700S082000, C700S286000, C700S295000
Reexamination Certificate
active
08001392
ABSTRACT:
An uninterruptible power supply (UPS) of a UPS system including a plurality of UPSs connected in parallel at a load bus and configured to provide power thereto from respective batteries of a plurality of batteries is operated such that a difference between a variable, for example, battery voltage, indicative of battery capacity for a battery associated with the subject UPS and an average value of the variable for the plurality of batteries is determined and a power flow between the subject UPS and the load bus is controlled responsive to the determined difference. Controlling a power flow between the subject UPS and the load bus responsive to the determined difference may include, for example, controlling a phase of an inverter of the subject UPS responsive to the determined difference.
REFERENCES:
patent: 6362540 (2002-03-01), Hill
patent: 6411910 (2002-06-01), Eulau et al.
patent: 7652393 (2010-01-01), Moth
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patent: 2006/0293798 (2006-12-01), Luo et al.
patent: 2007/0007825 (2007-01-01), Heber et al.
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Eaton Corporation
Elamin Abdelmoniem
Myers Bigel Sibley & Sajovec P.A.
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